... (C8H12) hot ng quang hc thu c hirocacbon B (C 8H18) khụng hot ng quang hc A khụng tỏc dng vi Ag(NH 3)2+ v tỏc dng vi H2 s cú mt ca Pd/PbCO3 to hp cht khụng hot ng quang hc C (C8H14) Lp lun xỏc ... 1-clo-2-metylpropan - HCl CH3 CH3 C CH3 (1x5,0) = 35,7% (9x1,0) + (1x5,0) Cl 2-clo-2-metylpropan CH3 CH3 CH3 CH (9x1,0) = 0,56% (9x1,0) + (1x1600) CH3 CH CH2 Br CH3 + Br2 1-brom-2-metylpropan - HCl CH3 CH3 ... lm cho mng tinh th cht rn tr nờn c khớt hn v bn vng hn, nờn nhit núng chy cao hn (a) Gi cụng thc trung bỡnh ca X, Y, Z l C n H n (do s mol CO2 v H2O bng nhau) 3n / 14,7 3n = n=4 O nCO + nH...